Rationlize the denominater of 3 _______
2√5-3√2
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5
−
3
3
5
+
3
=
5
−
3
3
5
+
3
×
5
+
3
5
+
3
=
(
15
)
2
−(
3
)
2
15+3
15
+
15
+3
=
5−3
18+4
15
=
2
2(9+2
15
)
=9+2
15
.
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